Message 28,572 of 29,919   
   Adam to Moe Trin   
   Re: OT: Network Setup (was part of: OT:    
   30 Sep 12 14:59:18   
   
   From: adam@address.invalid   
      
   Moe Trin wrote:   
   > On Thu, 27 Sep 2012, in the Usenet newsgroup alt.os.linux.mandriva, in   
   article   
   > , Adam wrote:   
      
   > [I see you found the problem - I'll still post this so you can see   
   > where I was going.]   
      
   Yep, bad cable between the computer and router. Since then I've also   
   gotten wireless connected on Mageia. Remember this is "eris" (backup   
   computer) filling in for "stolid" (main computer). Once stolid (or   
   equivalent) gets back here (estimated Friday 10/05), eris goes into the   
   other room where its only connection will be wireless (unless I have a   
   really really good reason). That's why I'm not concerned about wired   
   connections once I get wireless working.   
      
   >> For /etc/sysconfig/network, I've created both -wired and -wireless   
   >> versions, and /etc/sysconfig/network is a symlink, to network-wired   
   >> right now.   
   >   
   > That should work on a Red Hat derived system.   
      
   Once I have wireless working, I'll just leave it set at that.   
      
   > On a Debian derived system, see that "interface(5)"   
   > man page. The Debian scheme might be a bit simpler, but it's still   
   > not "obvious".   
      
   But that's a question for a Debian group, not here. :-) The file is   
   /etc/network/interfaces.   
      
   >> [Fedora] does have an interface called "p32p1"   
   >   
   > I've heard about that - it's a so-called feature known as "Consistent   
   > Network Device Naming" originally from Dell. Does the interface show   
   > a MAC address that matches the Ethernet?   
      
   p32p1: flags=4163 mtu 1500   
    inet6 fe80::21b:b9ff:feb4:654 prefixlen 64 scopeid 0x20   
    ether 00:1b:b9:b4:06:54 txqueuelen 1000 (Ethernet)   
    RX packets 11 bytes 660 (660.0 B)   
    RX errors 0 dropped 0 overruns 0 frame 0   
    TX packets 3 bytes 258 (258.0 B)   
    TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0   
      
   MAC 00:1b:b9... is eris's eth0 adaptor, and the inet6 address is the one   
   for the wired connection.   
      
   >> Debian also has an interface called "pan0".   
   >   
   > "Personal Area Networking Profile" it's for Bluetooth adapters. I   
   > don't use it. There MAY be a file named /etc/default/bluetooth that   
   > has a "BLUETOOTH_ENABLED" variable - set it to zero to disable it.   
      
   Here's its first line from ifconfig in two different sessions:   
      
   pan0 Link encap:Ethernet HWaddr 7a:ee:3e:0e:3d:06   
   pan0 Link encap:Ethernet HWaddr f2:c3:c4:2c:91:63   
      
   I have /no/ idea what those MAC addresses are or why they'd be   
   different. I don't have any Bluetooth gadgets, but probably one of my   
   100+ neighbors within 0.1 miles does.   
      
   > DNS queries to all and sundry, with no response _including_   
   > an Avahi query (224.0.0.251.5353) which I don't allow because it's a   
   > security hole   
      
   00:21:58.308752 IP 192.168.1.24.5353 > 224.0.0.251.5353: 0 PTR (QM)?   
   116.188.70.217.in-addr.arpa. (45)   
      
   three times, but no response back from 224.0.0.251 (or anything else   
   that looks unusual to me). Any idea which app is sending that query?   
   Should I set my router to block anything outgoing to that IP or port or   
   both? Or just disable Avahi?   
      
   >> I can't be the only person that has more than one computer plugged into   
   >> a single router!   
   >   
   > No, I've got nine - but you have two active interfaces on the router   
   > and networks hanging off each   
      
   Two meaning the router's wired and wireless connections? It has four   
   LAN ports (one switchable between LAN and WAN), but I assume its   
   wireless connection could be connected to several computers.   
      
   Adam   
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